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Chapter 7: Programming 7-29
Bar Code Length
The Bar Code Length parameter selects the method for determining if
an Interleaved 2 of 5 bar code is a valid length. The Range Check
method identifies a length range by specifying the minimum and
maximum number of characters. The Specific Check method identifies
two specific bar code lengths by specifying the number of characters in
each. With this option, the number of characters in all
Interleaved 2 of 5 bar codes must be one of the two numbers. Scan the
Hex 0 tag to use the Range Check method, scan the Hex 1 tag to use the
Specific Check method. The default is the Range Check method.
Value 1 and 2
The Value 1 and Value 2 parameter specifies the valid
Interleaved 2 of 5 bar code lengths. Use this option with the Bar Code
Length parameter option described in
Bar Code Length
. If you select the
Range Check method, Value 1 specifies the minimum number of
characters in a valid Interleaved 2 of 5 bar code and Value 2 specifies
the maximum number of characters. If you select the Specific Check
method, Value 1 contains one specific number of characters and Value
2 contains another.
Accepted values for Value 1 and Value 2 are 4 to 38 readable
characters. The number of readable characters must be an even
number; if you specify an odd number, it is rounded down one. Each
value is input using two Hex tags. The first can be Hex 0 through
Hex 3 and the second can be Hex 0 through Hex 9. The default for
Value 1 is 08 and for Value 2 is 16
Check Digit Present
The Check Digit Present parameter permits you to determine if the bar
code must contain a correct check digit to be identified as valid. If this
function is enabled, the bar code is ignored if a check digit is not
present. Scan the Hex 0 tag to disable this option, or the Hex 1 tag to
enable it. Disable is the default.